ChangeLog, pass1.c, problem.c, problem.h, problemP.h:

ChangeLog, pass1.c, problem.c, problem.h, problemP.h:
  pass1.c: Treat inodes with a low dtime (that were from a corrupted
  	orphan list) specially.
  problem.c, problem.h: Add new problem codes PR_1_LOW_DTIME and
  	PR_1_ORPHAN_LIST_REFUGEES, and a new latch group, PR_LATCH_LOW_DTIME.
  problemP.h: Expand the size of the problem flag to be an int instead
  	of a short.  Expand space in the flag word which is reserved for
  	problem latch flags from 3 bits to 8 bits.
ChangeLog, expect.1, expect.2, image.gz, name:
  f_badorphan: New test which verifies corrupted orphan list handling.